Ghost imaging (GI) is an imaging method that uses photon correlation for image restoration. In this study, we design two different color speckle fields and use a digital light projector to display them onto a color object that is measured by a single-pixel photodetector. The first is uniformly distributed with red, green, and blue colors, while patterns are generated through linear mapping of a Hadamard matrix in the second. We evaluated three original image reconstruction schemes based on multi-color speckle (MS) pattern: traditional ghost imaging and pseudo-inverse ghost imaging based on uniform speckle field and single- pixel imaging (MS-HSI) based on Hadamard matrix linear mapping speckle field. Simulation and experimental results show that these methods can effectively restore color objects. We also compare the advantages and disadvantages of the three methods, and optimize the GI strategy of color objects. Among the three methods, the background noise of MS-HSI based on Ha...

中文翻译：

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使用不同斑点和方法进行图像重建

鬼影成像（GI）是一种使用光子相关性进行图像恢复的成像方法。在这项研究中，我们设计了两个不同的色斑场，并使用数字投光器将它们显示在由单像素光电探测器测量的彩色物体上。第一个以红色，绿色和蓝色均匀分布，而第二个中的图案是通过Hadamard矩阵的线性映射生成的。我们评估了基于多色斑点（MS）模式的三种原始图像重构方案：基于均匀斑点场的传统鬼影成像和伪逆鬼像成像，以及基于Hadamard矩阵线性映射斑点场的单像素成像（MS-HSI） 。仿真和实验结果表明，这些方法可以有效地还原彩色物体。我们还比较了这三种方法的优缺点，并优化了彩色物体的GI策略。在这三种方法中，基于Ha ...